The film’s promotional material heavily marketed it as being based on "true events", specifically the alleged experiences of the Snedeker family (renamed the Campbells) in Southington, Connecticut, during the 1980s. Here is a comparison of the movie versus the real story:

The concepts of restless spirits, dark history tied to a house, and demonic oppression are deeply rooted in global folklore, including Indian ghost stories ( bhoot-pret culture). The Hindi localization helps bridge the cultural gap seamlessly. Key Themes Explored

The film heavily contrasts Matt's medical treatment with the spiritual warfare taking place in the house. Reverend Popescu, a fellow cancer patient, acts as the spiritual guide trying to cleanse the home.

Aap is film ko behtareen quality aur Hindi audio ke sath rent ya buy kar sakte hain.

The real family’s experiences were investigated by famed paranormal investigators Ed and Lorraine Warren.